Upright vacuum cleaner dirt separator front



FIG. 1 is a perspective view of a design for an upright vacuum cleaner dirt separator front showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portion of the drawings in phantom lines are shown for purposes of illustration and form no part of our new design. 

The ornamental design for an upright vacuum cleaner dirt separator front, as shown and described. 